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The hydroperoxide of tetrahydrofuran (THF) has been prepared from unstabilized THF by a simple procedure. It appears that there are no previous reports of vibrational spectra of THF hydroperoxide in the literature. Raman and infrared spectra of the compound are presented here. The prominent feature of the infrared spectrum is a very strong broad band centered at 3330 cm -1 attributed...
Butyl ethoxycarbonyl thiourea (BECTU) reacts readily with cupric solution to form an insoluble Cu-BECTU complex in a reaction which increases with pH. The selectivity of BECTU for copper ions was confirmed as no reaction was observed between BECTU and ferrous, ferric or lead ions. The complex was characterised by elemental analysis, nuclear magnetic resonance and fast atom bombardment mass spectroscopies...
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